package com.ruoyi.system.service.impl;

import cn.hutool.core.collection.CollectionUtil;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.extension.conditions.query.LambdaQueryChainWrapper;
import com.baomidou.mybatisplus.extension.conditions.update.LambdaUpdateChainWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.common.annotation.DataScope;
import com.ruoyi.common.constant.StatusConstants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysDept;
import com.ruoyi.common.core.domain.entity.SysRole;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.bean.BeanValidators;
import com.ruoyi.system.domain.SysPost;
import com.ruoyi.system.domain.SysUserPost;
import com.ruoyi.system.domain.SysUserRole;
import com.ruoyi.system.mapper.SysUserMapper;
import com.ruoyi.system.service.*;
import jakarta.validation.Validator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;

/**
 * 用户 业务层处理
 *
 * @author ruoyi
 */
@Service
public class SysUserServiceImpl implements ISysUserService {
    private static final Logger log = LoggerFactory.getLogger(SysUserServiceImpl.class);

    @Autowired
    private SysUserMapper mapper;

    @Autowired
    private ISysRoleService roleService;

    @Autowired
    private ISysPostService postService;

    @Autowired
    private ISysUserRoleService userRoleService;

    @Autowired
    private ISysUserPostService userPostService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private ISysDeptService deptService;

    @Autowired
    protected Validator validator;

    /**
     * 根据条件分页查询用户列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public Page<SysUser> selectUserPage(SysUser user, Page<SysUser> page) {
        Map<String, Object> params = user.getParams();
        List<Long> deptIdList = new ArrayList<>();
        if (user.getDeptId() != null) {
            List<SysDept> sonAndGrandList = deptService.selectSonAndGrandList(user.getDeptId());
            deptIdList = sonAndGrandList.stream().map(SysDept::getDeptId).toList();
        }
        Page<SysUser> sysUserPage = new LambdaQueryChainWrapper<SysUser>(mapper)
                .like(StringUtils.isNotEmpty(user.getUserName()), SysUser::getUserName, user.getUserName())
                .like(StringUtils.isNotEmpty(user.getPhonenumber()), SysUser::getPhonenumber, user.getPhonenumber())
                .in(user.getDeptId() != null, SysUser::getDeptId, deptIdList)
                .eq(StringUtils.isNotEmpty(user.getStatus()), SysUser::getStatus, user.getStatus())
                .ge(params != null && params.get("beginTime") != null, SysUser::getCreateTime, params.get("beginTime"))
                .le(params != null && params.get("endTime") != null, SysUser::getCreateTime, params.get("endTime"))
                .page(page);
        if (sysUserPage.getTotal() <= 0) {
            return sysUserPage;
        }
        List<SysUser> list = sysUserPage.getRecords();
        List<Long> deptIds = list.stream().map(SysUser::getDeptId).toList();
        if (!CollectionUtils.isEmpty(deptIds)) {
            List<SysDept> deptList = deptService.selectDeptListByIds(deptIds);
            list.forEach(item -> {
                deptList.forEach(dept -> {
                    if (dept.getDeptId().equals(item.getDeptId())) {
                        item.setDept(dept);
                    }
                });
            });
        }
        return sysUserPage;
    }

    /**
     * 根据条件分页查询用户列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public List<SysUser> selectUserList(SysUser user) {
        Map<String, Object> params = user.getParams();
        List<Long> deptIdList = new ArrayList<>();
        if (user.getDeptId() != null) {
            List<SysDept> sonAndGrandList = deptService.selectSonAndGrandList(user.getDeptId());
            deptIdList = sonAndGrandList.stream().map(SysDept::getDeptId).toList();
        }
        List<SysUser> list = new LambdaQueryChainWrapper<SysUser>(mapper)
                .like(StringUtils.isNotEmpty(user.getUserName()), SysUser::getUserName, user.getUserName())
                .like(StringUtils.isNotEmpty(user.getPhonenumber()), SysUser::getPhonenumber, user.getPhonenumber())
                .in(user.getDeptId() != null, SysUser::getDeptId, deptIdList)
                .eq(StringUtils.isNotEmpty(user.getStatus()), SysUser::getStatus, user.getStatus())
                .ge(params != null && params.get("beginTime") != null, SysUser::getCreateTime, params.get("beginTime"))
                .le(params != null && params.get("endTime") != null, SysUser::getCreateTime, params.get("endTime"))
                .list();
        if (list.isEmpty()) {
            return list;
        }
        List<Long> deptIds = list.stream().map(SysUser::getDeptId).toList();
        if (!CollectionUtils.isEmpty(deptIds)) {
            List<SysDept> deptList = deptService.selectDeptListByIds(deptIds);
            list.forEach(item -> {
                deptList.forEach(dept -> {
                    if (dept.getDeptId().equals(item.getDeptId())) {
                        item.setDept(dept);
                    }
                });
            });
        }
        return list;
    }

    /**
     * 根据条件分页查询已分配用户角色列表
     *
     * @param user 用户信息
     * @return 用户信息集合信息
     */
    @Override
    @DataScope(deptAlias = "d", userAlias = "u")
    public Page<SysUser> selectAllocatedList(SysUser user, Page<SysUser> page) {
        List<SysUserRole> userRoleList = userRoleService.selectByRoleId(user.getRoleId());
        if (userRoleList.isEmpty()) {
            return new Page<>();
        }
        Set<Long> userIds = userRoleList.stream().map(SysUserRole::getUserId).collect(Collectors.toSet());
        return new LambdaQueryChainWrapper<>(mapper)
                .in(SysUser::getUserId, userIds)
                .like(StringUtils.isNotEmpty(user.getUserName()), SysUser::getUserName, user.getUserName())
                .like(StringUtils.isNotEmpty(user.getPhonenumber()), SysUser::getPhonenumber, user.getPhonenumber())
                .page(page);
    }

    @Override
    public Page<SysUser> selectUnallocatedList(SysUser user, Page<SysUser> page) {
        List<SysUserRole> userRoleList = userRoleService.selectByRoleId(user.getRoleId());
        List<Long> userIds = userRoleList.stream().map(SysUserRole::getUserId).toList();
        return new LambdaQueryChainWrapper<>(mapper)
                .notIn(CollectionUtil.isNotEmpty(userIds), SysUser::getUserId, userIds)
                .like(StringUtils.isNotEmpty(user.getUserName()), SysUser::getUserName, user.getUserName())
                .like(StringUtils.isNotEmpty(user.getPhonenumber()), SysUser::getPhonenumber, user.getPhonenumber())
                .page(page);
    }


    /**
     * 通过用户名查询用户
     *
     * @param userName 用户名
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserByUserName(String userName) {
        return new LambdaQueryChainWrapper<>(mapper)
                .like(SysUser::getUserName, userName)
                .one();
    }

    /**
     * 通过用户ID查询用户
     *
     * @param userId 用户ID
     * @return 用户对象信息
     */
    @Override
    public SysUser selectUserById(Long userId) {
        return mapper.selectById(userId);
    }

    /**
     * 查询用户所属角色组
     *
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserRoleGroup(String userName) {
        SysUser sysUser = selectUserByUserName(userName);
        List<SysRole> list = roleService.selectRolesByUserId(sysUser.getUserId());
        if (CollectionUtils.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysRole::getRoleName).collect(Collectors.joining(","));
    }

    /**
     * 查询用户所属岗位组
     *
     * @param userName 用户名
     * @return 结果
     */
    @Override
    public String selectUserPostGroup(String userName) {
        SysUser sysUser = selectUserByUserName(userName);
        if (sysUser == null) {
            return "";
        }
        List<SysPost> list = postService.selectPostsByUserId(sysUser.getUserId());
        if (CollectionUtils.isEmpty(list)) {
            return StringUtils.EMPTY;
        }
        return list.stream().map(SysPost::getPostName).collect(Collectors.joining(","));
    }

    /**
     * 校验用户名称是否唯一
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean checkUserNameUnique(SysUser user) {
        Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
        List<SysUser> list = new LambdaQueryChainWrapper<SysUser>(mapper)
                .eq(SysUser::getUserName, user.getUserName())
                .list();
        if (!CollectionUtils.isEmpty(list) && list.get(0).getUserId().longValue() != userId.longValue()) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验手机号码是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public boolean checkPhoneUnique(SysUser user) {
        Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
        SysUser info = new LambdaQueryChainWrapper<SysUser>(mapper)
                .eq(SysUser::getPhonenumber, user.getPhonenumber())
                .one();
        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != userId.longValue()) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验email是否唯一
     *
     * @param user 用户信息
     * @return
     */
    @Override
    public boolean checkEmailUnique(SysUser user) {
        Long userId = StringUtils.isNull(user.getUserId()) ? -1L : user.getUserId();
        SysUser info = new LambdaQueryChainWrapper<>(mapper)
                .eq(SysUser::getEmail, user.getEmail())
                .one();
        if (StringUtils.isNotNull(info) && info.getUserId().longValue() != userId.longValue()) {
            return UserConstants.NOT_UNIQUE;
        }
        return UserConstants.UNIQUE;
    }

    /**
     * 校验用户是否允许操作
     *
     * @param user 用户信息
     */
    @Override
    public void checkUserAllowed(SysUser user) {
        if (StringUtils.isNotNull(user.getUserId()) && user.isAdmin()) {
            throw new ServiceException("不允许操作超级管理员用户");
        }
    }

    /**
     * 校验用户是否有数据权限
     *
     * @param userId 用户id
     */
    @Override
    public void checkUserDataScope(Long userId) {
//        if (!SysUser.isAdmin(SecurityUtils.getUserId()))
//        {
//            SysUser user = new SysUser();
//            user.setUserId(userId);
//            List<SysUser> users = SpringUtils.getAopProxy(this).selectUserList(user);
//            if (StringUtils.isEmpty(users))
//            {
//                throw new ServiceException("没有权限访问用户数据！");
//            }
//        }
    }

    /**
     * 新增保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int insertUser(SysUser user) {
        // 新增用户信息
        int rows = mapper.insert(user);
        // 新增用户岗位关联
        insertUserPost(user);
        // 新增用户与角色管理
        insertUserRole(user);
        return rows;
    }

    /**
     * 注册用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public boolean registerUser(SysUser user) {
        return mapper.insert(user) > 0;
    }

    /**
     * 修改保存用户信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    @Transactional
    public int updateUser(SysUser user) {
        Long userId = user.getUserId();
        // 删除用户与角色关联
        userRoleService.deleteByUserId(userId);
        // 新增用户与角色管理
        insertUserRole(user);
        // 删除用户与岗位关联
        userPostService.deleteByUserId(userId);
        // 新增用户与岗位管理
        insertUserPost(user);
        return mapper.updateById(user);
    }

    /**
     * 用户授权角色
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    @Override
    @Transactional
    public void insertUserAuth(Long userId, Long[] roleIds) {
        userRoleService.deleteByUserId(userId);
        insertUserRole(userId, roleIds);
    }

    /**
     * 修改用户状态
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserStatus(SysUser user) {
        UpdateWrapper<SysUser> updateWrapper = new UpdateWrapper<>();
        updateWrapper.lambda()
                .eq(SysUser::getUserId, user.getUserId())
                .set(SysUser::getStatus, user.getStatus());
        return mapper.update(user, updateWrapper);
    }

    /**
     * 修改用户基本信息
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int updateUserProfile(SysUser user) {
        return mapper.updateById(user);
    }

    /**
     * 修改用户头像
     *
     * @param userName 用户名
     * @param avatar   头像地址
     * @return 结果
     */
    @Override
    public boolean updateUserAvatar(String userName, String avatar) {
        return new LambdaUpdateChainWrapper<SysUser>(mapper)
                .eq(SysUser::getUserName, userName)
                .set(SysUser::getAvatar, avatar)
                .update();
    }

    /**
     * 重置用户密码
     *
     * @param user 用户信息
     * @return 结果
     */
    @Override
    public int resetPwd(SysUser user) {
        return mapper.updateById(user);
    }

    /**
     * 重置用户密码
     *
     * @param userName 用户名
     * @param password 密码
     * @return 结果
     */
    @Override
    public boolean resetUserPwd(String userName, String password) {
        return new LambdaUpdateChainWrapper<SysUser>(mapper)
                .eq(SysUser::getUserName, userName)
                .set(SysUser::getPassword, password)
                .update();
    }

    /**
     * 新增用户角色信息
     *
     * @param user 用户对象
     */
    public void insertUserRole(SysUser user) {
        this.insertUserRole(user.getUserId(), user.getRoleIds());
    }

    /**
     * 新增用户岗位信息
     *
     * @param user 用户对象
     */
    public void insertUserPost(SysUser user) {
        Long[] posts = user.getPostIds();
        if (StringUtils.isNotEmpty(posts)) {
            // 新增用户与岗位管理
            List<SysUserPost> list = new ArrayList<SysUserPost>(posts.length);
            for (Long postId : posts) {
                SysUserPost up = new SysUserPost();
                up.setUserId(user.getUserId());
                up.setPostId(postId);
                list.add(up);
            }
            userPostService.saveList(list);
        }
    }

    /**
     * 新增用户角色信息
     *
     * @param userId  用户ID
     * @param roleIds 角色组
     */
    public void insertUserRole(Long userId, Long[] roleIds) {
        if (StringUtils.isNotEmpty(roleIds)) {
            // 新增用户与角色管理
            List<SysUserRole> list = new ArrayList<SysUserRole>(roleIds.length);
            for (Long roleId : roleIds) {
                SysUserRole ur = new SysUserRole();
                ur.setUserId(userId);
                ur.setRoleId(roleId);
                list.add(ur);
            }
            userRoleService.saveList(list);
        }
    }

    /**
     * 通过用户ID删除用户
     *
     * @param userId 用户ID
     * @return 结果
     */
    @Override
    @Transactional
    public int deleteUserById(Long userId) {
        // 删除用户与角色关联
        userRoleService.deleteByUserId(userId);
        // 删除用户与岗位表
        userPostService.deleteByUserId(userId);
        return mapper.deleteById(userId);
    }

    /**
     * 批量删除用户信息
     *
     * @param userIds 需要删除的用户ID
     * @return 结果
     */
    @Override
    @Transactional
    public boolean deleteUserByIds(Long[] userIds) {
        for (Long userId : userIds) {
            checkUserAllowed(new SysUser(userId));
            checkUserDataScope(userId);
        }
        // 删除用户与角色关联
        userRoleService.deleteByUserIds(userIds);
        userRoleService.deleteByUserIds(userIds);
        // 删除用户与岗位关联
        userPostService.deleteByUserIds(userIds);
        return new LambdaUpdateChainWrapper<>(mapper).in(SysUser::getUserId, userIds).remove();
    }

    /**
     * 导入用户数据
     *
     * @param userList        用户数据列表
     * @param isUpdateSupport 是否更新支持，如果已存在，则进行更新数据
     * @param operName        操作用户
     * @return 结果
     */
    @Override
    public String importUser(List<SysUser> userList, Boolean isUpdateSupport, String operName) {
        if (StringUtils.isNull(userList) || userList.size() == 0) {
            throw new ServiceException("导入用户数据不能为空！");
        }
        int successNum = 0;
        int failureNum = 0;
        StringBuilder successMsg = new StringBuilder();
        StringBuilder failureMsg = new StringBuilder();
        for (SysUser user : userList) {
            try {
                // 验证是否存在这个用户
                SysUser u = selectUserByUserName(user.getUserName());
                if (StringUtils.isNull(u)) {
                    BeanValidators.validateWithException(validator, user);
                    deptService.checkDeptDataScope(user.getDeptId());
                    String password = configService.selectConfigByKey("sys.user.initPassword");
                    user.setPassword(SecurityUtils.encryptPassword(password));
                    user.setCreateBy(operName);
                    mapper.insert(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 导入成功");
                } else if (isUpdateSupport) {
                    BeanValidators.validateWithException(validator, user);
                    checkUserAllowed(u);
                    checkUserDataScope(u.getUserId());
                    deptService.checkDeptDataScope(user.getDeptId());
                    user.setUserId(u.getUserId());
                    user.setUpdateBy(operName);

                    mapper.updateById(user);
                    successNum++;
                    successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 更新成功");
                } else {
                    failureNum++;
                    failureMsg.append("<br/>" + failureNum + "、账号 " + user.getUserName() + " 已存在");
                }
            } catch (Exception e) {
                failureNum++;
                String msg = "<br/>" + failureNum + "、账号 " + user.getUserName() + " 导入失败：";
                failureMsg.append(msg + e.getMessage());
                log.error(msg, e);
            }
        }
        if (failureNum > 0) {
            failureMsg.insert(0, "很抱歉，导入失败！共 " + failureNum + " 条数据格式不正确，错误如下：");
            throw new ServiceException(failureMsg.toString());
        } else {
            successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
        }
        return successMsg.toString();
    }

    @Override
    public boolean hasUserByDeptId(Long deptId) {
        return new LambdaQueryChainWrapper<>(mapper)
                .eq(SysUser::getDeptId, deptId)
                .exists();
    }
}
